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Best AI Tools for Research and ai-powered search (75 options)
75 tools for research and AI-powered search in the directory. AI search engines, literature review and academic research tools.
How to read this page. We do not rank tools or publish scores. This page lists every Research & Search tool in the directory with its official link and pricing model so you can shortlist, then try the ones that fit. Pricing labels come from each vendor's pricing page when we could confirm them; "See site" means we could not.
At a glance
- 75 tools listed; 9 free to use, 19 with a free tier, 7 paid, 40 where pricing is not confirmed here.
- With a free plan or tier: Anara, Andi, AskYourPDF, Captain Search, Consensus, Elicit, Explainpaper, GPT Researcher, Humata, iAsk.ai, Jenni AI, Keenious, Komo Search, Liner, Linkup, Morphic, NotebookLM, Paperguide, PaperQA, Perplexity, Primus, R Discovery, ResearchRabbit, Semantic Scholar, TheySaid, Undermind, Vane, Zotero.
What to look for
Check whether answers cite sources you can open, which databases are searched, and how exports and citations are handled.
All 75 tools
| Tool | What it does | Pricing | Link |
|---|---|---|---|
| Aemon | Forward-deployed AI research engineer platform. | See site | Official site |
| alphaXiv | Discussion and reading layer for arXiv papers. | See site | Official site |
| Anara | AI research workspace, formerly Unriddle, for reading, searching and writing with papers and documents. | Freemium | Official site |
| Andi | AI search assistant that gives short answers with sources instead of a list of links. | Free | Official site |
| AskYourPDF | AI chatbot for asking questions about uploaded PDF files. | Freemium | Official site |
| Asta | Ai2's AI research assistant for finding papers, summarizing literature and analyzing scientific data. | See site | Official site |
| Bohrium | AI platform for scientific research and paper reading. | See site | Official site |
| Brave Search | Independent, privacy-focused search engine with AI answer summaries. | See site | Official site |
| Brave Search API | Web search API from Brave, with AI grounding options. | See site | Official site |
| Captain Search | Self-tuning search for products and files. | Freemium | Official site |
| Causaly | AI research platform for life sciences. | See site | Official site |
| ChatPDF | Chat with PDF documents and get answers from their content. | See site | Official site |
| ClawsGO Science | AI research agent with its own cloud lab. | See site | Official site |
| Connected Papers | Visual graph tool for exploring academic papers related to a topic. | See site | Official site |
| Consensus | AI academic search engine for peer-reviewed literature. | Freemium | Official site |
| Dimensions AI | Research database with AI assistant for publications, grants and patents. | See site | Official site |
| Edison Scientific | AI research platform for scientific discovery and literature-driven investigation. | See site | Official site |
| Elicit | AI research assistant for synthesizing evidence from scientific papers. | Freemium | Official site |
| Epsilon | AI search engine for scientific papers that finds citations, summarizes studies and synthesizes findings. | See site | Official site |
| Exa | Search engine and API built for AI applications. | See site | Official site |
| Explainpaper | Explains highlighted sections of research papers in plain language. | Freemium | Official site |
| Felo | AI search engine that answers questions with sources and can create slides and mind maps. | See site | Official site |
| Foresight | AI consumer simulations for testing pricing, positioning, packaging and campaigns. | See site | Official site |
| FutureHouse | Nonprofit building AI agents for scientific research. | See site | Official site |
| Gemini Notebook | Google's AI research notebook, formerly NotebookLM, that summarizes and answers questions grounded in your own sources. | See site | Official site |
| Genspark | AI search and agent workspace that compiles answers and pages. | See site | Official site |
| GPT Researcher | Open-source deep research agent. | Free | Official site |
| Ground News | News comparison app that shows coverage and bias across sources, with summaries. | See site | Official site |
| Humata | Ask questions of your documents and get answers with citations. | Freemium | Official site |
| Iambic | AI-driven drug discovery. | See site | Official site |
| iAsk.ai | AI search engine that answers questions with sourced responses. | Free | Official site |
| Inciteful | Free tool that uses citation networks to find related papers and explore academic literature. | See site | Official site |
| Infera | Lab operating system for protocol validation, experiment preview, lab ordering and data analysis. | See site | Official site |
| Instrumentl | Grant discovery and management with AI. | Free trial | Official site |
| Iris.ai | Research workflow platform for literature discovery and document analysis. | See site | Official site |
| Jenni AI | AI writing and citation assistant for academic work. | Freemium | Official site |
| Kagi | Subscription search engine that is ad-free and offers AI assistants. | Free trial | Official site |
| Keenious | Recommends relevant research papers based on the text you are writing or reading. | Freemium | Official site |
| Komo Search | AI search engine with chat answers and exploration modes. | Freemium | Official site |
| Labric | Captures lab instrument data automatically and adds AI-powered analysis for research teams. | See site | Official site |
| Latch Bio | Data platform for biotech with AI. | Paid | Official site |
| Liner | AI search and research assistant that answers with cited sources and searches academic papers. | Freemium | Official site |
| Linkup | Web search API designed for grounding AI agents on live results. | Freemium | Official site |
| Litmaps | Literature mapping and monitoring tool for researchers. | See site | Official site |
| Mendeley | Reference manager from Elsevier. | See site | Official site |
| Moonlight | AI research paper reader that explains and summarizes papers as you read. | Free trial | Official site |
| Morphic | Open-source AI answer engine with generative UI. | Free | Official site |
| Motives | AI qualitative researcher that runs consumer interviews and focus groups. | See site | Official site |
| NotebookLM | Google's Gemini Notebook (NotebookLM) that summarizes and chats over your uploaded sources, with audio overviews. | Free | Official site |
| OpenRead | AI research reading platform for summarizing and annotating papers. | See site | Official site |
| Outset | AI-moderated user interviews that give qualitative depth at survey speed and scale. | See site | Official site |
| Paper Digest | AI-powered research platform for reading, summarizing and writing with academic papers. | See site | Official site |
| Paperguide | AI research assistant for finding papers, getting cited answers and managing references. | Freemium | Official site |
| Paperpile | Reference management for Google Docs and Word. | See site | Official site |
| PaperQA | Open-source agentic RAG for scientific papers from FutureHouse. | Free | Official site |
| Particle | AI news reader app with multi-perspective summaries. | See site | Official site |
| Perplexity | AI answer engine that searches the web and cites its sources. | Freemium | Official site |
| Primus | Transformer Lab's autonomous research tool that runs multi-agent projects from a research question toward a paper. | Freemium | Official site |
| Profluent | AI protein design company. | See site | Official site |
| Prolific | Platform for recruiting research participants and human data for AI training and evaluation. | Paid | Official site |
| R Discovery | Research paper discovery and reading app with AI summaries and audio papers. | Freemium | Official site |
| ResearchRabbit | Tool for discovering and mapping academic literature. | Freemium | Official site |
| Scholarcy | Summarizes research articles into flashcards with key findings and references. | See site | Official site |
| SciSpace | AI research assistant for finding, reading and summarizing academic papers. | See site | Official site |
| Scite | Searches 300M+ scholarly articles and shows how each is cited. | Paid | Official site |
| Scopus AI | Elsevier's generative AI search and summaries over Scopus research literature. | See site | Official site |
| Semantic Scholar | Free AI-powered search engine for scientific literature. | Free | Official site |
| Sourcely | AI tool that finds academic sources and citations for a piece of writing. | Paid | Official site |
| STORM | Stanford research project that writes Wikipedia-style articles with citations from web research. | See site | Official site |
| Tavily | Search API designed for AI agents and retrieval-augmented generation. | See site | Official site |
| TheySaid | Simulates how users will react to product changes. | Freemium | Official site |
| Undermind | Deep-search engine for finding academic papers. | Freemium | Official site |
| Vane | Open-source AI-powered answering engine (formerly Perplexica). | Free | Official site |
| Voicepanel | Runs hundreds of AI-led feedback interviews to measure what people think about a product or brand. | See site | Official site |
| Zotero | Free, open-source reference manager for collecting and citing research. | Free | Official site |
Related guides
- Alternatives to NotebookLM
- Alternatives to Perplexity
- NotebookLM vs ChatPDF
- PDF.ai vs AskYourPDF
- ChatGPT vs Perplexity
- Claude vs Perplexity
- Perplexity vs Google Gemini
- Perplexity vs You.com
- Perplexity vs Kagi
- Exa vs Tavily
- Consensus vs Elicit
- Elicit vs SciSpace
- Scite vs Consensus
- ResearchRabbit vs Connected Papers